CNBC's John Harwood sits down with presidential candidate John Kasich to discuss key issues in his campaign, including his views on the economy and income inequality. Also a look at the close race between Hillary Clinton and Bernie Sanders in the Nevada caucus.

Politico's Ben White discusses the results on an NBC/WSJ poll which shows Ted Cruz ahead of Donald Trump nationally while Marco Rubio gets a big endorsement from South Carolina Gov. Nikki Haley. Also a look at Hillary Clinton's standing in the polls.

NBC's Tracie Potts reports on comments by President Obama about Donald Trump's chances of winning the GOP nomination as the final countdown begins in South Carolina and presidential candidates vie for position in what has become a two-tiered race among the GOP.